Schemes including Thamnophis elegans

• IUCN Red List of Threatened Species. Version 2012.2 Thamnophis elegans
• The Reptile Database (Thamnophis_elegans) Thamnophis elegans
• Norma 059, 2010 Thamnophis elegans
• NatureServe Explorer: An online encyclopedia of life. Version 7.1 (ELEMENT_GLOBAL.2.102240) Thamnophis elegans
• CONABIO (15755REPTIB501112) Thamnophis elegans
• GBIF (2457545) Thamnophis elegans